/* LatentMesh — styled to match LatentMesh Air Studio's control-plane language.
   Palette lifted from the Studio's own stylesheet so the two read as one product. */

:root {
  --ink: #e9f4ff;
  --muted: #8191a7;
  --faint: #526379;
  --navy: #050810;
  --panel: #09111d;
  --panel2: #0c1624;
  --line: #1a2a3d;
  --line2: #243951;
  --cyan: #50e6ff;
  --green: #4df3a5;
  --violet: #8d7cff;
  --amber: #ffb454;
  --red: #ff6b6b;
  --sans: "Avenir Next", Inter, ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--navy); color: var(--ink);
  font-family: var(--sans); line-height: 1.62;
  font-size: clamp(15px, .95rem + .2vw, 17px);
  overflow-x: hidden; position: relative;
  -webkit-font-smoothing: antialiased;
}

/* ---------- ambient console background ---------- */
.bg { position: fixed; inset: 0; z-index: -2; pointer-events: none; overflow: hidden; }
.bg::before {
  content: ""; position: absolute; inset: -25%;
  background:
    radial-gradient(46rem 32rem at 16% 8%,  rgba(80,230,255,.10), transparent 60%),
    radial-gradient(38rem 28rem at 88% 62%, rgba(141,124,255,.10), transparent 58%),
    radial-gradient(32rem 24rem at 48% 112%, rgba(77,243,165,.06), transparent 60%);
  animation: drift 40s ease-in-out infinite alternate;
}
@keyframes drift {
  0% { transform: translate3d(0,0,0) scale(1); }
  100% { transform: translate3d(2%,-2%,0) scale(1.07); }
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(36,57,81,.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36,57,81,.42) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(78% 62% at 50% 38%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(78% 62% at 50% 38%, #000 20%, transparent 100%);
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 clamp(18px, 5vw, 44px); position: relative; }
.narrow { max-width: 680px; margin-inline: auto; }

/* ---------- console chrome ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--navy) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.topbar .wrap { display: flex; align-items: center; gap: 1rem; height: 52px; }
.brand {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink); white-space: nowrap;
}
.brand b { color: var(--cyan); font-weight: 600; }
.topbar .spacer { flex: 1; }
.badge {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase;
  padding: .28rem .55rem; border-radius: 4px; border: 1px solid var(--line2);
  color: var(--muted); white-space: nowrap;
}
.badge.ok { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, var(--line2)); }
.badge.cy { color: var(--cyan); border-color: color-mix(in srgb, var(--cyan) 40%, var(--line2)); }
.badge .dot {
  display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; margin-right: .4rem; vertical-align: middle;
  animation: ping 2.4s ease-out infinite;
}
@keyframes ping { 0% { box-shadow: 0 0 0 0 currentColor; opacity: 1; } 70%,100% { box-shadow: 0 0 0 7px transparent; opacity: .55; } }
@media (max-width: 720px) { .topbar .hide-sm { display: none; } }

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 1.1rem;
}
h1 {
  font-weight: 500; letter-spacing: -.03em;
  font-size: clamp(2.1rem, 1.2rem + 4.2vw, 4.3rem); line-height: 1.03; margin: 0 0 1.3rem;
}
h1 em { font-style: normal; color: var(--cyan); }
.hero { padding-block: clamp(56px, 12vh, 118px) clamp(44px, 8vh, 84px); }
.hero .lede { font-size: clamp(1.02rem, .95rem + .55vw, 1.28rem); color: var(--muted); max-width: 44ch; }
.kicker {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: .9rem;
}
.rule { height: 1px; background: linear-gradient(90deg, transparent, var(--line) 15%, var(--line) 85%, transparent); border: 0; }

/* ---------- metric strip ---------- */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(148px,1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 2.2rem 0; }
.metric { background: var(--panel); padding: 1rem 1.1rem; }
.metric .lab { font-family: var(--mono); font-size: .6rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--faint); display: block; margin-bottom: .45rem; }
.metric .val { font-family: var(--mono); font-size: 1.4rem; font-weight: 600; letter-spacing: -.02em; display: block; }
.metric .sub { font-size: .74rem; color: var(--muted); display: block; margin-top: .25rem; }
.metric.cy .val { color: var(--cyan); } .metric.gr .val { color: var(--green); }
.metric.vi .val { color: var(--violet); } .metric.am .val { color: var(--amber); }

/* ---------- scrolly ---------- */
.scrolly { margin: clamp(30px, 8vh, 90px) 0; }
.scrolly-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 60px); align-items: start; }
.viz-col { position: sticky; top: 52px; height: calc(100vh - 52px); display: flex; align-items: center; }
.viz {
  width: 100%; max-width: 540px; aspect-ratio: 1/1; margin-inline: auto;
  background: linear-gradient(168deg, var(--panel2), var(--panel));
  border: 1px solid var(--line); border-radius: 14px;
  padding: clamp(12px, 2.6vw, 24px); display: grid; place-items: center;
  position: relative; overflow: hidden;
  box-shadow: 0 24px 60px -24px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.03);
}
.viz::before {
  content: attr(data-label); position: absolute; top: 12px; left: 16px; z-index: 2;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--faint);
}
.viz::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(110% 70% at 50% -8%, rgba(80,230,255,.09), transparent 58%);
}
.viz svg { width: 100%; height: 100%; display: block; overflow: visible; position: relative; z-index: 1; }
.step { min-height: 92vh; display: flex; align-items: center; opacity: .2; transition: opacity .5s ease; }
.step.active { opacity: 1; }
.step h2 { font-weight: 500; letter-spacing: -.02em;
  font-size: clamp(1.45rem, 1.15rem + 1.3vw, 2.05rem); line-height: 1.15; margin: 0 0 .85rem; }
.step p { margin: 0 0 .9rem; color: var(--muted); } .step p:last-child { margin-bottom: 0; }
.step strong { color: var(--ink); font-weight: 600; }

/* ---------- prose + components ---------- */
section.prose { padding-block: clamp(48px, 9vh, 96px); }
section.prose h2 { font-weight: 500; letter-spacing: -.02em;
  font-size: clamp(1.55rem, 1.25rem + 1.5vw, 2.25rem); margin: 0 0 1rem; }
section.prose h3 { font-size: 1rem; margin: 2rem 0 .5rem; }
section.prose p { color: var(--muted); }
section.prose strong { color: var(--ink); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(228px,1fr)); gap: 14px; margin: 1.6rem 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 11px; padding: 1.2rem;
  transition: border-color .25s, transform .25s, background .25s; }
.card:hover { border-color: color-mix(in srgb, var(--cyan) 42%, var(--line)); transform: translateY(-3px); background: var(--panel2); }
.card h4 { margin: .1rem 0 .45rem; font-size: .96rem; color: var(--ink); }
.card p { margin: 0; font-size: .87rem; color: var(--muted); }
.card .tag { font-family: var(--mono); font-size: .58rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint); display: block; margin-bottom: .5rem; }

pre.code { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem 1.1rem 1rem 1.3rem; overflow-x: auto; font-family: var(--mono);
  font-size: .8rem; line-height: 1.7; margin: 1rem 0; position: relative; color: var(--ink); }
pre.code::before { content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 2px;
  background: linear-gradient(var(--cyan), var(--violet)); }
pre.code .c { color: var(--faint); } pre.code .k { color: var(--cyan); } pre.code .s { color: var(--green); }
code.inline { font-family: var(--mono); font-size: .86em; padding: .1rem .36rem;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 4px; color: var(--cyan); }

.steps-num { counter-reset: s; margin: 1.6rem 0; padding: 0; list-style: none; }
.steps-num li { counter-increment: s; position: relative; padding-left: 2.5rem; margin-bottom: 1.2rem; }
.steps-num li::before { content: "0" counter(s); position: absolute; left: 0; top: 0;
  font-family: var(--mono); font-size: .78rem; color: var(--cyan); letter-spacing: .06em; }
.steps-num li h4 { margin: 0 0 .25rem; font-size: .97rem; color: var(--ink); }
.steps-num li p { margin: 0; color: var(--muted); font-size: .89rem; }

.hw { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 1.5rem 0; }
.hw div { background: var(--panel); padding: 1rem 1.1rem; }
.hw strong { display: block; font-size: .92rem; margin-bottom: .2rem; }
.hw span { font-size: .8rem; color: var(--muted); }

.cta { display: inline-block; margin: .4rem .55rem .4rem 0; padding: .72rem 1.3rem;
  background: var(--cyan); color: var(--navy); border-radius: 8px; text-decoration: none;
  font-weight: 600; font-size: .9rem; letter-spacing: .01em; transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px -6px rgba(80,230,255,.6); }
.cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px -8px rgba(80,230,255,.75); }
.cta.ghost { background: transparent; color: var(--cyan); border: 1px solid var(--line2); box-shadow: none; }
.cta.ghost:hover { border-color: var(--cyan); }

table.layers { width: 100%; border-collapse: collapse; margin: 1.3rem 0; font-size: .86rem; }
table.layers th, table.layers td { text-align: left; padding: .68rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.layers th { font-family: var(--mono); font-size: .6rem; text-transform: uppercase; letter-spacing: .16em; color: var(--faint); }
table.layers td { color: var(--muted); } table.layers tr:hover td { color: var(--ink); }

footer { border-top: 1px solid var(--line); padding-block: 2.4rem 4rem; font-size: .85rem; color: var(--faint); }
a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.progress { position: fixed; top: 0; left: 0; height: 2px; z-index: 60; width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--violet)); box-shadow: 0 0 14px rgba(80,230,255,.9); }

/* ---------- svg animation primitives ---------- */
.fade { opacity: 0; transition: opacity .7s ease .1s; } .viz.on .fade { opacity: 1; }
.draw { stroke-dasharray: var(--len,400); stroke-dashoffset: var(--len,400);
  transition: stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1) .15s; }
.viz.on .draw { stroke-dashoffset: 0; }
.pop { transform: scale(.6); transform-origin: center; opacity: 0;
  transition: transform .6s cubic-bezier(.34,1.5,.64,1), opacity .45s; }
.viz.on .pop { transform: scale(1); opacity: 1; }
.rise { transform: translateY(14px); opacity: 0; transition: transform .7s cubic-bezier(.2,.9,.3,1), opacity .6s; }
.viz.on .rise { transform: translateY(0); opacity: 1; }
.d1{transition-delay:.1s!important}.d2{transition-delay:.22s!important}.d3{transition-delay:.34s!important}
.d4{transition-delay:.46s!important}.d5{transition-delay:.58s!important}.d6{transition-delay:.7s!important}

.viz.on .pulse  { animation: rf 3.2s ease-out infinite; }
.viz.on .pulse2 { animation: rf 3.2s ease-out 1.05s infinite; }
.viz.on .pulse3 { animation: rf 3.2s ease-out 2.1s infinite; }
@keyframes rf { 0% { r: 9; opacity: .7; } 100% { r: 52; opacity: 0; } }
.viz.on .flow { stroke-dasharray: 4 8; animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -24; } }
.viz.on .bob { animation: bob 5s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
.viz.on .blink { animation: blink 2.4s ease-in-out infinite; }
@keyframes blink { 0%,100% { opacity: .25; } 50% { opacity: 1; } }
.viz.on .scan { animation: scan 4s linear infinite; }
@keyframes scan { 0% { transform: translateY(0); opacity: 0; } 10%,90% { opacity: .5; } 100% { transform: translateY(300px); opacity: 0; } }
.viz svg text { font-family: var(--sans); fill: var(--ink); }
.viz svg text.mono { font-family: var(--mono); }
.viz svg text.dim { fill: var(--muted); }
.viz svg text.faint { fill: var(--faint); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade,.draw,.pop,.rise,.step,.card,.cta { transition: none !important; }
  .draw { stroke-dashoffset: 0 !important; }
  .pop,.rise { transform: none !important; opacity: 1 !important; }
  .fade { opacity: 1 !important; } .step { opacity: 1 !important; }
  .bg::before, .badge .dot,
  .viz.on .pulse,.viz.on .pulse2,.viz.on .pulse3,
  .viz.on .flow,.viz.on .bob,.viz.on .blink,.viz.on .scan { animation: none !important; }
  .viz.on .pulse,.viz.on .pulse2,.viz.on .pulse3 { opacity: .22; }
}


/* ---------- 3D panel ---------- */
.viz3d { padding: 0; }
.viz3d canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; border-radius: 14px; }
.viz3d-hud {
  position: absolute; bottom: 12px; left: 16px; z-index: 2;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--faint); pointer-events: none;
}

/* ---------- hero with live mesh ---------- */
.hero-grid {
  display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr);
  gap: clamp(20px, 4vw, 56px); align-items: center;
}
.hero-viz { position: relative; aspect-ratio: 1/1; width: 100%; max-width: 520px; margin-inline: auto; }
.hero-viz canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* Shown only when the canvas is absent (no WebGL) so the column never sits empty. */
.hero-viz-fallback {
  position: absolute; inset: 12%; border-radius: 50%; display: none;
  border: 1px solid var(--line2);
  background: radial-gradient(circle at 38% 32%, rgba(80,230,255,.16), transparent 62%);
}
.hero-viz.no-webgl .hero-viz-fallback { display: block; }
.hero-viz-label {
  position: absolute; bottom: 4%; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: .56rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--faint); white-space: nowrap;
}

/* ---------- illustrated pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 20px; margin: 1.8rem 0; }
.pillar { background: var(--panel); border: 1px solid var(--line); border-radius: 13px; padding: 1.1rem 1.2rem 1.3rem;
  transition: border-color .25s, transform .25s; }
.pillar:hover { border-color: color-mix(in srgb, var(--cyan) 34%, var(--line)); transform: translateY(-3px); }
.pillar .tag { font-family: var(--mono); font-size: .57rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint); display: block; margin: .9rem 0 .4rem; }
.pillar h4 { margin: 0 0 .5rem; font-size: 1.08rem; color: var(--ink); }
.pillar p { margin: 0; font-size: .88rem; color: var(--muted); }
/* The pillar figures are wide, not square, and carry no inner glow. */
.pillar-viz { aspect-ratio: 360/250; max-width: none; border-radius: 9px; padding: 0;
  background: var(--panel2); box-shadow: none; }
.pillar-viz::after { display: none; }
.pillar-viz::before { top: 8px; left: 10px; font-size: .52rem; }

/* ---------- deployments ---------- */
.quo { color: var(--cyan); font-style: normal; }
.deploys { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 1.8rem 0; }
.deploy {
  background: var(--panel); padding: 1.25rem 1.3rem; display: flex; gap: 1rem;
  text-decoration: none; color: inherit; transition: background .22s;
  position: relative; align-items: flex-start;
}
.deploy:hover { background: var(--panel2); }
.deploy::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--cyan); transform: scaleY(0); transform-origin: top; transition: transform .28s cubic-bezier(.3,.9,.3,1);
}
.deploy:hover::after { transform: scaleY(1); }
.deploy-ico { flex: 0 0 44px; }
.deploy-ico svg { width: 44px; height: 44px; display: block; }
.deploy-body { min-width: 0; }
.deploy-tag { font-family: var(--mono); font-size: .55rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--faint); display: block; margin-bottom: .35rem; }
.deploy h4 { margin: 0 0 .35rem; font-size: .98rem; color: var(--ink); }
.deploy p { margin: 0 0 .5rem; font-size: .85rem; color: var(--muted); line-height: 1.5; }
.deploy-note { font-family: var(--mono); font-size: .68rem; color: var(--cyan); opacity: .78; display: block; }
@media (prefers-reduced-motion: reduce) { .deploy::after, .pillar { transition: none !important; } }

/* ---------- application tabs ---------- */
.tabs { display: flex; gap: 1px; background: var(--line); border: 1px solid var(--line);
  border-radius: 9px; overflow: hidden; margin: 1.6rem 0 0; flex-wrap: wrap; }
.tab { flex: 1 1 160px; background: var(--panel); border: 0; cursor: pointer; padding: .8rem .7rem;
  font-family: var(--mono); font-size: .64rem; letter-spacing: .13em; text-transform: uppercase;
  color: var(--faint); transition: color .2s, background .2s; }
.tab:hover { color: var(--muted); background: var(--panel2); }
.tab.is-on { color: var(--cyan); background: var(--panel2); box-shadow: inset 0 -2px 0 var(--cyan); }
.tabpanels { margin-top: 14px; }
.tabpanel { display: none; }
.tabpanel.is-on { display: block; animation: tabin .4s cubic-bezier(.2,.9,.3,1); }
@keyframes tabin { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.tab-viz { aspect-ratio: 720/200; max-width: none; border-radius: 10px; padding: 0;
  background: var(--panel2); box-shadow: none; }
.tab-viz::after { display: none; }
.tab-viz::before { top: 8px; left: 12px; font-size: .52rem; }
.appgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-top: 0;
  border-radius: 0 0 10px 10px; overflow: hidden; margin-top: 14px; }
.app { background: var(--panel); padding: 1.1rem 1.2rem; position: relative; }
.app .n { font-family: var(--mono); font-size: .6rem; color: var(--cyan); opacity: .6; display: block; margin-bottom: .4rem; }
.app h4 { margin: 0 0 .35rem; font-size: .95rem; color: var(--ink); }
.app p { margin: 0; font-size: .84rem; color: var(--muted); line-height: 1.52; }
.app.spec .n { color: var(--violet); }
.app.spec::after { content: "SPECULATIVE"; position: absolute; top: 1.1rem; right: 1.2rem;
  font-family: var(--mono); font-size: .5rem; letter-spacing: .14em; color: var(--violet); opacity: .55; }
@media (prefers-reduced-motion: reduce) { .tabpanel.is-on { animation: none; } }

/* ================= MOBILE ================= */
@media (max-width: 860px) {
  .scrolly-inner { grid-template-columns: 1fr; gap: 0; }
  /* The sticky figure sits ABOVE the scrolling copy, so text passes behind it
     rather than over it. The gradient tail hides the text as it approaches. */
  .steps { position: relative; z-index: 1; }
  .bg-grid { background-size: 44px 44px; }
  .step { min-height: auto; opacity: 1; }
  .viz-col { z-index: 3; padding-bottom: 14px;
    background: linear-gradient(to bottom,
      var(--navy) 0%, var(--navy) 78%,
      color-mix(in srgb, var(--navy) 70%, transparent) 92%,
      transparent 100%); }

  /* The sticky figure was eating 58vh, leaving too little room for the prose
     it is meant to illustrate. */
  .viz-col { height: 46vh; top: 48px; }
  .viz { max-width: 290px; }
  .step { padding: 1.2rem 0 2.4rem; }
  .step h2 { font-size: 1.32rem; }
  .step p { font-size: .93rem; }

  /* Wide diagrams keep their detail by scrolling in their own container
     rather than shrinking their labels into illegibility. */
  .tab-viz, .pillar-viz { overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; }
  .tab-viz svg { min-width: 560px; }
  .pillar-viz svg { min-width: 320px; }
  .tab-viz::before, .pillar-viz::before { position: sticky; left: 8px; }

  /* Tap targets */
  .tab { flex: 1 1 100%; padding: .85rem .7rem; font-size: .66rem; }
  .cta { display: block; text-align: center; margin: .5rem 0; padding: .85rem 1.2rem; }
  .deploy { padding: 1.1rem 1.1rem; }

  h1 { font-size: clamp(2rem, 8.5vw, 2.7rem); letter-spacing: -.02em; }
  .hero { padding-block: 32px 34px; }
  .hero .lede { font-size: 1rem; max-width: none; }
  section.prose { padding-block: 42px; }
  section.prose h2 { font-size: 1.5rem; }
  .metric .val { font-size: 1.2rem; }
  pre.code { font-size: .74rem; padding: .85rem .9rem .85rem 1.1rem; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-viz-label { display: none; }
  /* Headline first: the value proposition should land before the ornament. */
  .hero-viz { order: 0; margin-top: 1.4rem; max-width: 260px; }
  .hero-grid { gap: 4px; }
}

@media (max-width: 520px) {
  .viz-col { height: 40vh; }
  .viz { max-width: 240px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .deploy { flex-direction: column; gap: .7rem; }
  .deploy-ico { flex: none; }
  .brand { font-size: .62rem; letter-spacing: .14em; }
  .topbar .wrap { height: 46px; gap: .6rem; }
}

/* Two WebGL contexts is a lot to ask of a phone, and the SVG panels are
   clearer at small sizes anyway. Keep the hero mesh, drop the scrolly one. */
@media (max-width: 700px) {
  .viz3d { display: none !important; }
}

/* ---------- mobile bottom nav ---------- */
.botnav { display: none; }
@media (max-width: 860px) {
  .botnav {
    display: grid; grid-template-columns: repeat(4, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: color-mix(in srgb, var(--navy) 92%, transparent);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .botnav a {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px; padding: .55rem 0 .5rem; text-decoration: none;
    color: var(--faint); transition: color .2s; min-height: 52px;
  }
  .botnav a svg { width: 20px; height: 20px; display: block; }
  .botnav a span {
    font-family: var(--mono); font-size: .53rem; letter-spacing: .12em; text-transform: uppercase;
  }
  .botnav a:active, .botnav a.is-on { color: var(--cyan); }
  .botnav a.is-on { box-shadow: inset 0 2px 0 var(--cyan); }
  /* Keep the fixed bar from covering the end of the page. */
  body { padding-bottom: 60px; }
  footer { padding-bottom: 1.6rem; }
}

/* ---------- mobile breathing room ---------- */
@media (max-width: 860px) {
  .wrap { padding-inline: 20px; }
  .metrics, .deploys, .appgrid, .hw, .tabs, .pillars, .cards { margin-inline: 0; }
  .metric { padding: .95rem 1rem; }
  .app, .deploy { padding: 1.15rem 1.15rem; }
  .pillar { padding: 1rem 1.05rem 1.15rem; }
  .card { padding: 1.05rem 1.1rem; }
  .narrow > p, .narrow > h2, .narrow > h3, .narrow > .kicker { padding-inline: 0; }
  section.prose h2 { margin-bottom: .8rem; }
  .rule { margin-inline: 0; }
  table.layers { font-size: .82rem; }
  table.layers th, table.layers td { padding: .6rem .45rem; }
}
@media (max-width: 420px) {
  .wrap { padding-inline: 16px; }
  h1 { font-size: clamp(1.85rem, 8vw, 2.3rem); }
  .metric .val { font-size: 1.1rem; }
  .botnav a span { font-size: .5rem; }
}

/* A section intro that sits above a full-width grid must share that grid's
   left edge. Centring it (the .narrow default) leaves the copy floating in
   the middle of the page with nothing aligned to it. */
.narrow.lead { margin-inline: 0; }
.pillars, .deploys, .appgrid, .hw, .cards, .tabs, .metrics, .tabpanels { margin-inline: 0; }
/* Trailing note under a grid keeps the same edge. */
section.prose > .narrow:last-child:not(:first-child) { margin-inline: 0; }

/* ---------- mobile: make the wide figures readable AND obviously scrollable ---------- */
@media (max-width: 860px) {
  .tab-viz, .pillar-viz {
    position: relative;
    /* Let the figure be taller so the scaled-down artwork still has presence. */
    aspect-ratio: auto; height: 168px;
    scroll-snap-type: x proximity;
  }
  .tab-viz svg, .pillar-viz svg { min-width: 620px; height: 100%; }
  /* Edge fade + hint so it is visibly a scrollable strip, not a clipped image. */
  .tab-viz::after, .pillar-viz::after {
    content: ""; display: block; position: absolute; top: 0; right: 0; bottom: 0; width: 42px;
    background: linear-gradient(90deg, transparent, var(--panel2));
    pointer-events: none; z-index: 3;
  }
  .scrollhint {
    position: absolute; right: 8px; bottom: 7px; z-index: 4; pointer-events: none;
    font-family: var(--mono); font-size: .5rem; letter-spacing: .14em; text-transform: uppercase;
    color: var(--cyan); opacity: .85; display: flex; align-items: center; gap: 3px;
    animation: nudge 2.4s ease-in-out infinite;
  }
  @keyframes nudge { 0%,100% { transform: translateX(0); } 50% { transform: translateX(4px); } }
  .pillar-viz { height: 150px; }
}
@media (min-width: 861px) { .scrollhint { display: none; } }
@media (prefers-reduced-motion: reduce) { .scrollhint { animation: none !important; } }

/* ---------- tabs that read as controls ---------- */
.tabs {
  background: var(--panel2); border: 1px solid var(--line2); padding: 4px; gap: 4px;
  border-radius: 11px;
}
.tab {
  border-radius: 8px; border: 1px solid transparent; background: transparent;
  position: relative; padding: .72rem .6rem;
}
.tab:hover { background: color-mix(in srgb, var(--cyan) 8%, transparent); color: var(--cyan); }
.tab.is-on {
  background: var(--navy); border-color: color-mix(in srgb, var(--cyan) 42%, var(--line2));
  color: var(--cyan); box-shadow: none;
}
.tab.is-on::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 5px; width: 16px; height: 2px; border-radius: 2px; background: var(--cyan);
}
.tab:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.tabs-hint {
  font-family: var(--mono); font-size: .56rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint); margin: .55rem 0 0; display: flex; align-items: center; gap: .4rem;
}
.tabs-hint::before { content: "▸"; color: var(--cyan); }

/* The generic .viz max-width is for the SQUARE scrolly panels; the wide tab and
   pillar figures must fill their column or they get clamped to 240px. */
.tab-viz, .pillar-viz { max-width: none !important; }

/* Desktop hero: trim the vertical so the metric strip lands above the fold. */
@media (min-width: 901px) {
  .hero { padding-block: clamp(34px, 6.5vh, 68px) clamp(28px, 5vh, 52px); }
  .hero-viz { max-width: 430px; }
  h1 { font-size: clamp(2rem, 1.1rem + 3.4vw, 3.5rem); }
  .hero .lede { font-size: clamp(1rem, .95rem + .4vw, 1.16rem); }
  .metrics { margin-block: 1.5rem 0; }
}

/* The explainer runs at icon scale, so its panels are lighter than the
   field-deployment scrolly that follows. */
.explainer .viz { max-width: 440px; background: var(--panel); }
.explainer .step h2 { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); }
@media (max-width: 860px) { .explainer .viz { max-width: 270px; } }
@media (max-width: 520px) { .explainer .viz { max-width: 230px; } }